Home / 1,729.14-2,590.13-904.92

Finding the Fourth Proportional to 1,729.14, 2,590.13 and 904.92

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Solution

The fourth proportional to 1,729.14, 2,590.13 and 904.92 is: 1,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.14 : 2,590.13 = 904.92 : x
  2. Step 2: Convert to fraction form
    1,729.14/2,590.13 = 904.92/x
  3. Step 3: Cross multiply
    1,729.14x = 2,590.13 × 904.92
  4. Step 4: Simplify right side
    1,729.14x = 2,343,855.92
  5. Step 5: Solve for x
    x = 2,343,855.92/1,729.14
  6. Step 6: Final answer
    x = 1,355.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.